CN111686944A - FWZ type bag-turning type centrifugal machine, control method and application - Google Patents
FWZ type bag-turning type centrifugal machine, control method and application Download PDFInfo
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- CN111686944A CN111686944A CN202010587538.2A CN202010587538A CN111686944A CN 111686944 A CN111686944 A CN 111686944A CN 202010587538 A CN202010587538 A CN 202010587538A CN 111686944 A CN111686944 A CN 111686944A
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000005303 weighing Methods 0.000 claims abstract description 14
- 238000012545 processing Methods 0.000 claims abstract description 11
- 238000001914 filtration Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 13
- 230000035939 shock Effects 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000001311 chemical methods and process Methods 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000003921 oil Substances 0.000 description 28
- 230000007246 mechanism Effects 0.000 description 15
- 230000008901 benefit Effects 0.000 description 7
- 230000007306 turnover Effects 0.000 description 7
- 239000000047 product Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B11/00—Feeding, charging, or discharging bowls
- B04B11/04—Periodical feeding or discharging; Control arrangements therefor
Abstract
The invention belongs to the technical field of centrifugal equipment, and discloses an FWZ type bag-turning centrifugal machine, a control method and application thereof, wherein the FWZ type bag-turning centrifugal machine is provided with a processing device and a driving device; an outer shaft of the driving device is supported and fixed at two ends of the driving device through two bearings, an inner shaft is sleeved in the outer shaft, an oil cylinder is arranged in the right end of the inner shaft, and a piston shaft is arranged in the oil cylinder; the right ends of the outer shaft and the inner shaft are fixed with clutches through bolts to control the axial movement of the inner shaft and the outer shaft; the right end of the inner shaft is connected with a screw rotary joint, the right end of the screw rotary joint is fixed on the rack, and a main shaft driving motor is hung on the rack; the lower end of the frame is fixed with a weighing sensor through a bolt. The bag turning device realizes bag turning by controlling the clutch and the hydraulic system, and reduces the difficulty in working condition control; the shafting structure supported by the two-point bearing shortens the length of the rotating shaft, has more compact structure, improves the rigidity and the critical rotating speed of the shafting, has more stable machine operation, less rotating parts, easy control and low manufacturing cost.
Description
Technical Field
The invention belongs to the technical field of centrifugal equipment, and particularly relates to an FWZ type bag-turning centrifugal machine, a control method and application.
Background
At present, the requirements of industries such as pharmacy, chemical industry and food processing on the aspects of safety, reliability, automation, environmental protection and the like of centrifugal filtering equipment are higher and higher, the crystal grains of a product can be damaged when a conventional vertical or horizontal centrifugal machine is used for discharging materials by adopting a scraping method, and meanwhile, more material loss is caused by residual filter residues in a rotary drum. Centrifuges are widely used in various industries, such as tripodia centrifuges, scraper centrifuges, baghouse centrifuges, bottom discharge centrifuges, piston pusher centrifuges and the like to separate suspension, but the centrifuges generally have the defects of high labor intensity, non-closed operation, poor safety protection, residual solid materials in the centrifuges and the like.
In the development of filter centrifuges, people pay great attention to the method for discharging filter residues. The bag-turning type centrifugal machine is a new type filtering type centrifugal machine, it has a special solid-phase material discharge mechanism, i.e. filter bag turning mechanism. A filter bag is arranged in the centrifuge drum, when slag is discharged, the filter bag is turned over by the filter bag turning mechanism, the inner surface of the filter bag becomes the outer surface, and solid-phase materials are separated from the filter bag under the action of centrifugal force. Compared with scraper centrifuges, piston pusher centrifuges, spiral discharge centrifuges and the like, the bag-turning type centrifuges have the advantages of less residues on the filtering surface, good washing effect, large operation elasticity and the like, and have wide application prospects in the industries of food, chemical industry, pharmacy and the like. The opening and closing of the drum cover is from the relative movement of the inner shaft and the outer shaft. Different filter bag turnover mechanisms can be generated by different pulling modes of the inner shaft. The filter bag turnover mechanism determines whether the rotary drum can be sealed in a dehydration state and whether the filter bag can be turned over and smoothly discharges slag in a slag discharge state, so the turnover mechanism is a key part for the development of the machine type.
The oil cylinder driving type filter bag overturning mechanism is the earliest structure of an overturning bag type centrifuge, an inner shaft for driving the filter bag to overturn is integrated with a piston rod of an oil cylinder and connected with a piston, the oil cylinder and a rotary drum rotate at the same speed, and the overturning or returning of the filter bag is controlled by controlling the inlet and outlet directions of hydraulic oil. The structure has the defects that the rotating oil cylinder is in dynamic contact with the static oil supply device, oil leakage is easy, and the environment is polluted. Secondly, the separated products and environment are easily polluted when the piston rod goes in and out of the oil cylinder. The rotary oil cylinder has larger moment of inertia, and the critical rotating speed of the shaft can be reduced. In recent years, oil cylinder driving type filter bag turnover mechanisms are gradually eliminated. Since 1994, Heinekel, Germany, gradually replaced the oil cylinder driven filter bag turnover mechanism with a mechanically driven filter bag turnover mechanism. The mechanical driving type filter bag overturning mechanism is characterized in that one motor drives an outer shaft through a belt wheel, and the other motor drives a threaded shaft through the belt wheel. The motor characteristic and control precision technology are one of the key technologies for realizing the bag-turning centrifuge. The shaft system of the bag-turning type centrifuge is a high-speed rotating shaft system with three shafts (an outer shaft, an inner shaft and a threaded shaft) capable of relatively displacing. The axial dimension is longer, the structure is not compact, the high-speed rotating shaft structure with three supporting points greatly improves the manufacturing precision and the installation difficulty, the supporting points have high requirements on the rigidity and the strength of the machine base, and the weight is increased. When the speed of the motor driving the outer shaft is greater than the speed of the motor driving the threaded shaft, the threaded shaft will rotate relative to the sliding nut. The sliding nut can not rotate due to the limiting effect of the guide cylinder and the guide key, so that the threaded shaft can only axially move and the inner shaft can be pulled to axially move. The lower drum cover seals the rotary drum under the pulling of the inner shaft, so that the rotary drum is in a closed state, and the charging or centrifugal filtration process can be carried out. Conversely, when the speed of the threaded shaft motor is greater than that of the outer shaft motor, the drum cover leaves the drum, and the centrifuge is in a discharge state. The structure is to accurately control the speed of the screw shaft motor and the outer shaft motor, and also to control their relative speed. The structure has the defects of more rotating parts, high control difficulty and high manufacturing cost.
In summary, the problems of the prior art are as follows:
(1) the existing oil cylinder driving type filter bag overturning mechanism is easy to leak oil and pollute the environment, a piston rod enters and exits the oil cylinder and easily pollutes separated products and the environment, and the rotating oil cylinder has larger rotational inertia and can reduce the critical rotating speed of a shaft;
(2) the existing mechanical drive type filter bag turnover mechanism has the disadvantages of multiple rotating pieces, high control difficulty and high manufacturing cost.
The difficulty of solving the technical problems is as follows:
in the 11 th 1998 month, the Heineckel company showed the product of the bag-turning type centrifuge at the Beijing International pharmaceutical Equipment exhibition, and also applied a series of invention patents (patent No. (91101702. X)) to the Chinese national intellectual Property office at the same time of showing; (91101701.1); (9881739.9); (97199559.1); (97199958.9); (200480006484.5), etc. The advantages of the HF type bag-turning centrifugal machine cause great reverberation in the domestic pharmaceutical industry. A domestic medicine machine manufacturing enterprise with certain capacity is invested in research and development, but fails due to overlarge technical difficulty in the imitation process, and a certain achievement is obtained in the research process, so that invention patents (patent numbers 02257165.5, 01222421.9 and the like) are applied, but a bag-turning type centrifugal machine which has independent intellectual property rights and can be officially used is not successfully developed in China.
The significance of solving the technical problems is as follows:
the novel technology of the FWZ bag-turning type centrifuge is popularized and applied, the level of key equipment in industrial departments such as chemical industry, medicine and food can be improved, the difference between the national bag-turning type centrifuge and the international advanced level is reduced, and the competitive capacity of the domestic FWZ bag-turning type centrifuge is improved.
Social benefits are as follows:
people and materials are completely isolated, and the GMP pharmaceutical standard and the environmental protection standard are met;
secondly, the filtering and washing efficiency is high, the moisture content of a filter cake is low, and the load of subsequent drying is reduced;
the equipment has compact structure and small occupied space; the full-automatic control reduces the labor intensity of the operation and improves the labor productivity;
fourthly, 50-100 people can be placed for employment;
after the project product is put into production, the gap between the bag-turning centrifugal machine in China and the international advanced level is reduced, and the localization process of important technical equipment is promoted.
The industrialization prospect is as follows:
with the tightening of environmental protection policies, the pharmaceutical and chemical industries are accelerating the pace of equipment updating and modification, and the requirements on the aspects of safety, reliability, economic benefit, automation degree, environmental protection and the like of separation and filtration equipment are continuously improved. Only a brand new structural design can meet the requirements of users, and the bag-turning type centrifugal machine can fully meet the requirements of the users. At present, only 6 thousands of drug production enterprises exist in China, 30 enterprises are calculated according to conservative numbers, one tenth of enterprises are selected, the market demand is 18000, and in addition, more than fifty thousand market demands are estimated in the chemical industry and the food industry, so the market demand is large.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an FWZ type bag-turning type centrifugal machine, a control method and application.
The invention is realized in such a way that an FWZ type bag-turning centrifugal machine is provided with:
a processing device and a driving device;
the processing device comprises a discharge bin and a filtering bin, the filtering bin is provided with a rotary drum, and the left end of the rotary drum is connected with a material pushing disc through a filter bag;
an outer shaft of the driving device is supported and fixed at two ends of the driving device through two bearings, an inner shaft is sleeved in the outer shaft, an oil cylinder is arranged in the right end of the inner shaft, and a piston shaft is arranged in the oil cylinder; the right end of the outer shaft is fixed with a clutch through a bolt to control the axial relative movement of the inner shaft and the outer shaft; the right end of the inner shaft is connected with a screw rotary joint, the right end of the screw rotary joint is fixed on the rack, and a main shaft driving motor is hung on the rack and drives the outer shaft to rotate through a synchronous belt; the lower end of the frame is fixed with a weighing sensor through a bolt.
Furthermore, four supporting points are arranged at the lower end of the rack, and a shock-absorbing spring is bolted at the lower end of each supporting point.
The invention can buffer the vibration of the frame when the motor rotates through the plurality of shock absorbing springs, thereby playing the role of vibration reduction protection.
Further, the clutch is communicated with an actuator oil cylinder on the outer side of the outer shaft.
Further, the inner shaft oil cylinder is communicated with the screw rod rotary joint through two oil holes which are mutually an inlet and an outlet in the piston shaft, and the screw rod rotary joint is connected with the high-pressure oil pump through an oil passing controller.
Further, outer axle bearing externally mounted has vibrations measuring device, vibrations measuring device passes through the data line and connects the display screen.
Further, a display is installed on the driving device, a controller is installed inside the driving device, and the display screen is connected with the controller through a data line.
Another object of the present invention is to provide a control method of the FWZ-type bag-in-bag centrifuge, which includes: the main shaft driving motor drives the outer shaft to rotate through a belt pulley, the outer shaft drives the inner shaft to synchronously rotate through a guide sliding block, a hydraulic system is divided into two paths, one path controls a clutch through an external controller to realize clutch linkage of the outer shaft and the inner shaft, the other path enters two oil holes which are mutually imported and exported in the piston shaft through a screw rotary joint to enter the inner shaft and form an oil cylinder piston system with the piston shaft, the inner shaft is pushed to axially move, and bag turning and drum cover closing processes are realized; 4 supporting points are adopted, each supporting point is connected with a shock absorption spring connected with the frame, a weighing sensor is connected to the lower surface of the shock absorption spring after the shock absorption spring is protected, and a measuring result is transmitted to an external control system through the weighing sensor.
The invention also aims to provide an application of the FWZ type bag-turning type centrifuge as a centrifugal filtering device in a pharmaceutical process.
The invention also aims to provide an application of the FWZ type bag-turning type centrifugal machine as a centrifugal filtering device in a chemical process.
The invention also aims to provide application of the FWZ type bag-turning type centrifuge as a centrifugal filtering device in a food processing technology.
By combining all the technical schemes, the invention has the advantages and positive effects that: the bag turning process is realized by controlling the clutch and the hydraulic system, the working condition control difficulty is reduced, and one motor is omitted; compared with a shafting structure supported by a two-point bearing and the same type HF800 of the Hainekel, the length of the shafting structure supported by the two-point bearing is reduced by 1 meter, the length of a rotating shaft is shortened, the structure is more compact, the rigidity and the critical rotating speed of the shafting structure are improved, and the machine runs more stably. The structure has the advantages of few rotating parts, easy control, low manufacturing cost and the like. The sensitivity of the weighing device reaches 1 kilogram division value, the requirement on the technical parameters of the centrifuge on the symmetrical quantity is met, and the weight of the materials in the centrifuge drum can be accurately measured and controlled. The mechanical bag turning mechanism under the control of the hydraulic system is realized by combining the hydraulic system and the mechanical mechanism, and has all the characteristics of being driven by the hydraulic system; the device has the advantages of stable and reliable performance, adjustable thrust and speed, stable operation, long service life, reasonable structure, convenient maintenance and the like.
Drawings
FIG. 1 is a schematic structural diagram of an FWZ type bag-turnover centrifuge provided by an embodiment of the present invention;
in the figure: 1. a spindle drive motor; 2. a shock absorbing spring; 3. a weighing sensor; 4. a screw rotary joint; 5. a clutch; 6. an actuator cylinder; 7. a piston shaft; 8. an inner shaft; 9. an outer shaft; 10. a drum; 11. a filter bag; 12. pushing the material tray; 13. a support shaft; 14. a processing device; 15. a drive device; 16. a filtering bin; 17. a discharging bin; 18. and a frame.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
As shown in fig. 1, an FWZ-type bag-in-bag centrifuge according to an embodiment of the present invention includes: the device comprises a main shaft driving motor 1, a shock absorbing spring 2, a weighing sensor 3, a screw rotary joint 4, a clutch 5, an actuator oil cylinder 6, a piston shaft 7, an inner shaft 8, an outer shaft 9, a rotary drum 10, a filter bag 11, a material pushing disc 12, a supporting rotary shaft 13, a processing device 14, a driving device 15, a filter bin 16, a discharging bin 17 and a frame 18.
The processing device 14 comprises a discharge bin 17 and a filter bin 16, a rotary drum 10 is arranged in the filter bin 16, the left end of the rotary drum 10 is connected with a material pushing disc 12 through a filter bag 11, and the material pushing disc is connected with a rotary drum cover through a connecting rod; drive arrangement 15 is provided with the outer axle 9 of bolt fastening at the rotary drum 10 right-hand member, outer axle 9 supports through two bearings and fixes at 15 both ends of drive arrangement, the inside cover of outer axle 9 is equipped with interior axle 8, guarantee synchronous transport and can do endwise slip through the direction slider, the inside axial hydro-cylinder that has seted up of interior axle 8 right-hand member, constitute hydro-cylinder piston system with piston shaft 7, outer axle 9 right-hand member has clutch 5 through the bolt fastening, the hookup of piston shaft 7 right-hand member has screw rod rotary joint 4, screw rod rotary joint 4 is fixed in the frame, main shaft driving motor 1 hangs in frame 18, the frame 18 lower extreme has weighing sensor 3 through the bolt.
Preferably, the lower end of the frame 18 is provided with a support rotating shaft 13, and the lower end of each support point is bolted with a shock absorbing spring 2.
Preferably, the clutch 5 communicates with the actuator cylinder 6 outside the outer shaft 9.
Preferably, the inner shaft 8 and the piston shaft 7 form a cylinder piston system and are connected with a high-pressure oil pump through a screw rotary joint and an oil passing controller.
Preferably, a vibration measuring device is installed on the outer side of the bearing of the outer shaft 9, and the vibration measuring device is connected with a display screen through a data line.
Preferably, a display is installed on the driving device 15, a controller is installed inside the driving device 15, and the display screen is connected to the controller through a data line.
The application of the principles of the present invention will now be described in further detail with reference to specific embodiments.
When the invention is used, the main shaft driving motor 1 drives the outer shaft 9 to rotate through the belt wheel, and the outer shaft 9 drives the inner shaft 8 to synchronously rotate through the guide sliding block. The hydraulic system is divided into two paths, one path controls the clutch 5 through an external controller to realize the clutch linkage of the outer shaft 9 and the inner shaft 8, the other path enters two oil holes which are mutually imported and exported in the piston shaft 7 through a screw rotary joint to enter the inner shaft 8 and the piston shaft 7 to form an oil cylinder piston system, the inner shaft 8 is pushed to move axially, and the bag turning and drum cover closing process is realized. The automatic weighing device adopts 4 supporting points, each supporting point is connected with a shock-absorbing spring 2 connected with a rack, a weighing sensor 3 is connected below the shock-absorbing spring 2 after vibration reduction protection, a measuring result is transmitted to an external control system through the weighing sensor 3, the sensitivity reaches 1 kilogram division value through actual operation test, the requirement on technical parameters of the centrifuge on the symmetry quantity is met, and the weight of materials in a centrifuge drum can be accurately measured and controlled.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (10)
1. An FWZ-type baghouse centrifuge, characterized in that it is provided with:
a processing device and a driving device;
the processing device comprises a discharge bin and a filtering bin, the filtering bin is provided with a rotary drum, and the left end of the rotary drum is connected with a material pushing disc through a filter bag;
an outer shaft of the driving device is supported and fixed at two ends of the driving device through two bearings, an inner shaft is sleeved in the outer shaft, an oil cylinder is arranged in the right end of the inner shaft, and a piston shaft is arranged in the oil cylinder; the right end of the outer shaft is fixed with a clutch through a bolt to control the axial relative movement of the inner shaft and the outer shaft; the right end of the inner shaft is connected with a screw rotary joint, the right end of the screw rotary joint is fixed on the rack, and a main shaft driving motor is hung on the rack and drives the outer shaft to rotate through a synchronous belt; the lower end of the frame is fixed with a weighing sensor through a bolt.
2. The FWZ-type bag-in-turn centrifuge according to claim 1, wherein the frame is provided at a lower end thereof with four support points, each of which is bolted at a lower end thereof with a suspension spring.
3. The FWZ-type bag-in-bag centrifuge as claimed in claim 1, wherein the clutch communicates with an actuator cylinder outside the outer shaft.
4. The FWZ-type bag-in-turn centrifuge according to claim 1, wherein the inner shaft cylinder communicates with the screw rotary joint through two oil holes for mutual inlet and outlet in the piston shaft, and the screw rotary joint is connected to the high-pressure oil pump through an oil path controller.
5. The FWZ-type bag-in-turn centrifuge according to claim 1, wherein a vibration measuring device is installed outside the bearing, a controller is connected to a control end of the vibration device, and the controller is connected to a display screen through a data line.
6. The FWZ-type bag-in-turn centrifuge according to claim 1, wherein a controller is installed inside the driving means, and the controller is connected to a display screen through a data line.
7. A control method of the FWZ type bag-in-type centrifuge as set forth in any one of claims 1 to 6, wherein the control method of the FWZ type bag-in-type centrifuge comprises: the main shaft driving motor drives the outer shaft to rotate through a belt pulley, the outer shaft drives the inner shaft to synchronously rotate through a guide sliding block, a hydraulic system is divided into two paths, one path controls a clutch through an external controller to realize clutch linkage of the outer shaft and the inner shaft, the other path enters two oil holes which are mutually imported and exported in the piston shaft through a screw rotary joint to enter the inner shaft and form an oil cylinder piston system with the piston shaft, the inner shaft is pushed to axially move, and bag turning and drum cover closing processes are realized; 4 supporting points are adopted, each supporting point is connected with a shock absorption spring connected with the frame, a weighing sensor is connected to the lower surface of the shock absorption spring after the shock absorption spring is protected, and a measuring result is transmitted to an external control system through the weighing sensor.
8. Use of a FWZ-type bag-in-a-roll centrifuge according to any of claims 1 to 6 as a centrifugal filter device in pharmaceutical processes.
9. Use of a FWZ-type bag-in-turn centrifuge according to any of claims 1 to 6 as a centrifugal filter device in a chemical process.
10. Use of a FWZ-type bag-in-turn centrifuge according to any of claims 1 to 6 as a centrifugal filter device in food processing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010587538.2A CN111686944A (en) | 2020-06-24 | 2020-06-24 | FWZ type bag-turning type centrifugal machine, control method and application |
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| CN202010587538.2A CN111686944A (en) | 2020-06-24 | 2020-06-24 | FWZ type bag-turning type centrifugal machine, control method and application |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113522544A (en) * | 2021-07-21 | 2021-10-22 | 江苏赛德力制药机械制造有限公司 | Bag overturning and discharging centrifuge driving mechanism |
| CN117181458A (en) * | 2023-11-06 | 2023-12-08 | 江苏赛德力制药机械制造有限公司 | Bag turning and discharging centrifugal machine |
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| CN106944265A (en) * | 2017-03-24 | 2017-07-14 | 张鹤鸣 | A kind of bag overturning machine structure of bag-turning pattern filtering centrifuge |
| CN107252738A (en) * | 2017-05-25 | 2017-10-17 | 宣城市楷昂化工有限公司 | A kind of centrifuge |
| CN110180689A (en) * | 2019-07-03 | 2019-08-30 | 张家港市永达机械制造有限公司 | Bag turning centrifugal machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113522544A (en) * | 2021-07-21 | 2021-10-22 | 江苏赛德力制药机械制造有限公司 | Bag overturning and discharging centrifuge driving mechanism |
| CN117181458A (en) * | 2023-11-06 | 2023-12-08 | 江苏赛德力制药机械制造有限公司 | Bag turning and discharging centrifugal machine |
| CN117181458B (en) * | 2023-11-06 | 2024-03-05 | 江苏赛德力制药机械制造有限公司 | Bag turning and discharging centrifugal machine |
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